From f995c26de92eadbf3d961ad3e0fb233410798dd2 Mon Sep 17 00:00:00 2001
From: Aidan MacDonald <amachronic@protonmail.com>
Date: Mon, 2 Jan 2023 19:49:56 +0000
Subject: buflib: Add CONFIG_BUFLIB_BACKEND for selecting a buflib backend

Defaults to the normal "mempool" backend, which is currently the
only implementation.

Change-Id: I56d034a6e0f5edc90c39526d1551945eec6ca336
---
 firmware/include/buflib.h         | 30 ++++++++++++++++++++++++++++++
 firmware/include/buflib_mempool.h |  4 ++++
 firmware/include/chunk_alloc.h    |  2 +-
 firmware/include/core_alloc.h     |  2 +-
 4 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 firmware/include/buflib.h

(limited to 'firmware/include')

diff --git a/firmware/include/buflib.h b/firmware/include/buflib.h
new file mode 100644
index 0000000000..36d171963a
--- /dev/null
+++ b/firmware/include/buflib.h
@@ -0,0 +1,30 @@
+/**************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2023 Aidan MacDonald
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _BUFLIB_H_
+#define _BUFLIB_H_
+
+#include "config.h"
+
+#if CONFIG_BUFLIB_BACKEND == BUFLIB_BACKEND_MEMPOOL
+#include "buflib_mempool.h"
+#endif
+
+#endif /* _BUFLIB_H_ */
diff --git a/firmware/include/buflib_mempool.h b/firmware/include/buflib_mempool.h
index 61fe2168b0..f261d4abda 100644
--- a/firmware/include/buflib_mempool.h
+++ b/firmware/include/buflib_mempool.h
@@ -26,6 +26,10 @@
 #ifndef _BUFLIB_MEMPOOL_H_
 #define _BUFLIB_MEMPOOL_H_
 
+#ifndef _BUFLIB_H_
+# error "include buflib.h instead"
+#endif
+
 #include <stdint.h>
 #include <stdbool.h>
 #include <string.h>
diff --git a/firmware/include/chunk_alloc.h b/firmware/include/chunk_alloc.h
index f589cc0870..7d64d4b591 100644
--- a/firmware/include/chunk_alloc.h
+++ b/firmware/include/chunk_alloc.h
@@ -24,7 +24,7 @@
 #include <stdbool.h>
 #include <string.h>
 #include "config.h"
-#include "buflib_mempool.h"
+#include "buflib.h"
 
 #define CHUNK_ALLOC_INVALID ((size_t)-1)
 
diff --git a/firmware/include/core_alloc.h b/firmware/include/core_alloc.h
index 382200dd75..22cc1988da 100644
--- a/firmware/include/core_alloc.h
+++ b/firmware/include/core_alloc.h
@@ -4,7 +4,7 @@
 #include <string.h>
 #include <stdbool.h>
 #include "config.h"
-#include "buflib_mempool.h"
+#include "buflib.h"
 #include "chunk_alloc.h"
 
 /* All functions below are wrappers for functions in buflib.h, except
-- 
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